Patent DE-1913-337831
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- Inventor location: Richmond, Virginia
- 7 years before grant --
- Note that this patent was administratively delayed for an unusually long time.
Sources
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
| Year filed | 1913 |
|---|---|
| Year granted | 1921 |
| Office | DE |
| Patent number | 337831 |
| Inventors | Charles Rudolph Wittemann, Adolph Ditriech Wittemann |
| Inventor country | US |
| Applicant person | Charles Rudolph Wittemann, Adolph Ditriech Wittemann |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Flugzeug mit beim Nichtgebrauch senkrecht stehenden, oberhalb der Tragflaechen schwingbar angeordneten Stabilisierungsflaechen |
| English title | Airplane with stabilizing surfaces that are vertical and swingable above the wings when not in use |
| Tech fields | stability |
| Filing date | 1913-08-15 |
| Full specification filed date | |
| Application number | 337831D |
| Grant date | 1921-06-08 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 77h.5 |
| IPCs | IPC B64C1/00, IPC B64C17/00 |
| CPCs | CPC B64C17/00, CPC B64C2700/6218 |
| Family year | 1913 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 10736662 |
| INPADOC family ID | 10073910 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 5 |
| Number of claims | 1 |
